the402 endpoint detail

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x402stock.xyz perps predicted-funding

https://x402stock.xyz/api/v1/perps/predicted-funding

answers 402

Predicted next-period funding rate for each coin across venues — on-chain plus centralized perp venues (Hyperliquid, Binance, Bybit) — each with the funding interval and next funding time. A cross-exchange funding-arbitrage signal in one call: compare where a coin's funding is richest or cheapest. Free on-chain DEX data, no key. From x402stock, a market & economic data API (x402, USDC).

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.02
Network
base
Pay to
0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
136 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:29:10.025Z (2d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402stock.xyz%2Fapi%2Fv1%2Fperps%2Fpredicted-funding"